1111452245 has 4 divisors (see below), whose sum is σ = 1333742700. Its totient is φ = 889161792.

The previous prime is 1111452169. The next prime is 1111452319. The reversal of 1111452245 is 5422541111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 289884676 + 821567569 = 17026^2 + 28663^2 .

It is a cyclic number.

It is not a de Polignac number, because 1111452245 - 2¹⁰ = 1111451221 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111145220 + ... + 111145229.

It is an arithmetic number, because the mean of its divisors is an integer number (333435675).

Almost surely, 2^1111452245 is an apocalyptic number.

It is an amenable number.

1111452245 is a deficient number, since it is larger than the sum of its proper divisors (222290455).

1111452245 is an equidigital number, since it uses as much as digits as its factorization.

1111452245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222290454.

The product of its digits is 1600, while the sum is 26.

The square root of 1111452245 is about 33338.4499489703. The cubic root of 1111452245 is about 1035.8501560361.

Adding to 1111452245 its reverse (5422541111), we get a palindrome (6533993356).

The spelling of 1111452245 in words is "one billion, one hundred eleven million, four hundred fifty-two thousand, two hundred forty-five".